Tag：watch
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Time：2021-1-27
Let’s start with a flow chart. The level is limited. Let’s have a look-_ -|| First, when creating a Vue application: var app = new Vue({ el: ‘#app’, data: { message: ‘Hello Vue!’ } }) Vue constructor source code: //Creating Vue constructors function Vue (options) { if (!(this instanceof Vue) ) { warn(‘Vue is a […]
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Time：2021-1-8
immediate When immediate is set to true, the monitored object will be output immediately. That is to say, as soon as the page is refreshed, it will be output on the console. Of course, we haven’t had time to manually change the data on the page, so the newvalue output on the console is the […]
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Time：2020-11-9
Recently, I just finished the celebration for more than a year, and my mind was always in the plot. Then I felt that in vuejs, watch was the supervision institute, a real spy agency. In Vue, watch is called a listener. It observes the change of every data in Vue instance at any time, and […]
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Time：2020-7-2
This article mainly introduces how to use spring stopwatch in detail. The example code is introduced in detail, which has certain reference value for everyone’s study or work. Friends in need can refer to it Stopwatch is a simple stopwatch that allows multiple tasks to be timed, exposing the total run time and run time […]
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Time：2019-8-4
Apple pushed MacOS Sierra beta 2 firmware update on July 6. One of the highlights of this update is to add the function of using Apple Watch to automatically unlock Mac computers. Here’s how to set it up. Let’s take a look at it. The MacOS Sierra beta 2 version is 16A239j, and the public […]
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Time：2019-7-30
For small partners who use computers, for the sake of data security on the computer, they will set a login password. In 2016, Apple will bring us the latest Mac OS 10.12 system, which adds a feature that can be unlocked using Apple Watch Apple watches. Here’s a brief introduction to how to set it […]
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Time：2019-7-15
Redis transaction mechanism In other databases such as MySQL, transactions represent a set of actions that are either fully executed or not executed. Redis’s current support for things is relatively simple. Redis can only guarantee that commands in a client-initiated transaction can be executed continuously without inserting other client commands in the middle. When a […]
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Time：2019-5-20
Watch OS 2.0 was released at Apple WWDC in 2015. This version is a big update and adds many new functions. So what are the new features of watch OS 2.0? The following edition introduces the new functions of watch OS 2.0. Let’s take a look together with the edition. What are the new features […]
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Time：2019-4-20
The watch command can execute a command repeatedly, with a default time interval of 2 seconds. Watchifconfig can monitor network status every two seconds.Watch-d ifconfig can monitor network status every two seconds and mark the changed partsWatch-d ifconfig eth0 can monitor eth0 only every two seconds and mark the changed part.Watch-d’ifconfig eth0 | grep bytes’can […]
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Time：2019-3-21
Redis Watch command Effect: Used to monitor one (or more) keys. If this (or these) keys are changed by other commands before the transaction is executed, the transaction will be interrupted. Usage: redis 127.0.0.1:6379> WATCH key1 key2 OK Redis Unwatch command Effect: Used to cancel the WATCH command to monitor all keys. Usage: redis 127.0.0.1:6379> […]
